Ankylosing spondylitis (AS) is a rare form of inflammatory arthritis that primarily affects the back. The condition can cause severe pain, stiffness, and swelling in the vertebrae of the spine.

In some people, AS affects other joints in the body and may cause new bone growth.

Although there is no cure for AS, treatments are available to alleviate the symptoms and prevent complications.

People living with AS can take this quiz to test their knowledge of AS treatments and complications. Their friends, family members, and caregivers may also wish to check their understanding of the condition.